Jeong, Yu-jeong, author
Eunhaengnamu, 2012
Buku Teks
Lee, Jeong Ha, author
Random House Korea, 2007
Buku Teks
Jeong, Eun-Gweol, author
Pharan Media, 2012
Buku Teks
Park, Jeong-Yun (박정윤), author
Dasan Books, 2012
Buku Teks
Jeong, Eun-Gweol, author
Pharan Media, 2012
Buku Teks